LED THT EOLD-1720-095-1
The EOLD-1720-095-1 is a high-performance 1720 nm short-wave infrared (SWIR) LED engineered for advanced sensing, spectroscopy, and industrial monitoring applications. Developed by
LED THT EOLD-1720-095-1
High Precision SWIR Source for Gas Sensing and Industrial Systems – 1720nm IR LED EOLD-1720-095-1
The EOLD-1720-095-1 is a high-performance 1720 nm short-wave infrared (SWIR) LED engineered for advanced sensing, spectroscopy, and industrial monitoring applications. Developed by EPIGAP OSA Photonics, this infrared emitter delivers stable and reliable optical output for demanding scientific and industrial environments. Housed in a robust TO-46 metal package with a flat window, the LED provides excellent durability, thermal stability, and long operational life. Operating within the deep SWIR spectrum, it ensures accurate and consistent infrared illumination for applications requiring dependable optical performance. United Spectrum Instruments is the authorised distributor of EPIGAP OSA Photonics products in India.
Designed for advanced sensing and analytical systems, the EOLD-1720-095-1 is widely used in hydrocarbon detection, gas sensing, spectroscopy, and optical measurement applications. Its wide emission profile enables uniform infrared coverage, improving detection efficiency and enhancing measurement reliability in laboratory and industrial environments. The flat window design supports efficient light distribution, making it suitable for compact sensing systems and specialised optical equipment requiring stable SWIR illumination. Its stable radiant output ensures dependable operation in continuous-use monitoring and automation applications.
The compact and durable construction of the EOLD-1720-095-1 allows seamless integration into industrial automation systems, laboratory instruments, and advanced sensing equipment. Its TO-46 metal housing supports efficient heat dissipation, helping maintain stable optical performance during prolonged operation. Combining wide-angle SWIR illumination, rugged packaging, and dependable long-term performance, the EOLD-1720-095-1 provides an excellent solution for applications requiring precise, stable, and high-quality infrared light sources.
Understanding LED THT EOLD-1720-095-1
The EOLD-1720-095-1 operates at a peak wavelength of 1720 nm (1690–1750 nm range), a critical region for detecting hydrocarbons and organic compounds through infrared absorption. This LED supports forward currents up to 100 mA and delivers stable radiant output suitable for sensing systems.
Unlike narrow-beam variants, it features a wide viewing angle of ~100°, achieved through its flat window design, enabling uniform illumination across larger sensing areas. The hermetic TO-46 metal package ensures excellent thermal stability and environmental protection, making it suitable for continuous operation in demanding industrial and scientific environments.
Technical Specifications
| Parameter | Specification |
| Product | EOLD-1720-095-1 |
| Type | SWIR Infrared LED |
| Peak Wavelength | 1720 nm (1690–1750 nm) |
| Optical Output Power | ~3 – 6 mW (typical class) |
| Forward Current | Up to 100 mA |
| Forward Voltage | ~1.2 – 1.7 V |
| Spectral Width (FWHM) | ~120–130 nm |
| Viewing Angle | ~100° |
| Package | TO-46 Metal Can (Flat Window) |
| Mounting Type | Through-hole |
| Operating Temperature | -40°C to +85°C |
| Compliance | RoHS & REACH compliant |
Key Features and Advantages
1720 nm SWIR Wavelength for Hydrocarbon Detection
Operating at 1720 nm, the LED aligns with absorption bands of hydrocarbons and organic compounds, making it highly effective for gas sensing and chemical analysis.
Wide Beam Angle for Uniform Illumination
With a ~100° viewing angle, the flat window design ensures broad and even infrared distribution, ideal for large-area sensing and detection systems.
Stable Radiant Output for Reliable Measurements
Delivering consistent radiant power in the ~3–6 mW range, the LED ensures accurate and repeatable measurements in industrial and analytical applications.
Flat Window Design for Diffused Emission
Unlike lens-based LEDs, the flat window provides uniform light dispersion, improving performance in proximity sensing, gas detection, and optical monitoring systems.
Optimised for Absorption-Based Sensing
The 1720 nm wavelength is particularly effective for detecting methane and hydrocarbons, enabling precise monitoring in industrial environments.
Robust TO-46 Hermetic Package
The metal package ensures excellent mechanical strength, thermal stability, and resistance to environmental factors, ensuring long-term durability.
Efficient Thermal Management
The TO-can design supports effective heat dissipation, allowing stable operation even at higher drive currents.
Industrial-Grade Reliability
Designed for demanding environments, the LED offers long operational life and dependable performance, reducing maintenance and downtime.
Easy Integration into Systems
The through-hole configuration allows seamless integration into PCBs and optical assemblies for both prototyping and large-scale production.
Applications Across Industries
Gas Sensing & Hydrocarbon Detection
The 1720 nm wavelength is widely used in infrared absorption-based gas detection systems, enabling accurate monitoring of methane and hydrocarbon gases.
Environmental Monitoring Systems
Used in environmental sensing systems to detect gas leaks and monitor air quality in industrial and outdoor environments.
Spectroscopy & Chemical Analysis
Ideal for spectroscopy applications where SWIR wavelengths enable precise identification of chemical compounds and materials.
Industrial Process Monitoring
Supports real-time monitoring of gases and emissions in manufacturing and processing industries.
Safety & Hazard Detection Systems
Used in industrial plants for detecting hazardous gases and ensuring workplace safety compliance.
Biomedical & Analytical Applications
Applied in optical sensing and analytical instruments where deep SWIR wavelengths enable advanced measurement capabilities.
Research & Scientific Applications
Widely used in photonics research, experimental setups, and optical testing systems requiring stable and uniform SWIR illumination.
Why Choose United Spectrum Instruments?
United Spectrum Instruments is a trusted distributor of advanced photonics components in India. We provide expert consultation, product selection guidance, and integration support for infrared LEDs like the EOLD-1720-095-1. With strong technical expertise and responsive after-sales service, we ensure reliable sourcing and long-term performance. Our commitment to quality and customer success enables industries to implement efficient sensing, automation, and analytical solutions tailored to their specific application requirements.
- Efficient customer communication and dedicated technical coordination
- Experience supplying components for defence and aerospace research projects
- Assistance with wavelength matching for sensors and detectors
- Reliable long-term partnership for photonics and optical sourcing needs
- Strong network and support for industrial OEM and laboratory requirements
FAQs
What is the wavelength of EOLD-1720-095-1?
It operates at approximately 1720 nm in the SWIR spectrum.
What is the viewing angle?
It offers a wide beam angle of around 100° for uniform illumination.
What is the maximum forward current?
The LED supports up to 100 mA forward current.
What applications is it best suited for?
It is used in gas sensing, hydrocarbon detection, spectroscopy, and industrial monitoring systems.
Is it suitable for industrial environments?
Yes, it operates from -40°C to +85°C and is designed for reliable industrial use.
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FAQs
What is the wavelength of EOLD-1720-095-1?
It operates at approximately 1720 nm in the SWIR spectrum.
What is the viewing angle?
It offers a wide beam angle of around 100° for uniform illumination.
What is the maximum forward current?
The LED supports up to 100 mA forward current.
What applications is it best suited for?
It is used in gas sensing, hydrocarbon detection, spectroscopy, and industrial monitoring systems.
Is it suitable for industrial environments?
Yes, it operates from -40°C to +85°C and is designed for reliable industrial use.
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